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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1336 (Power Steering System) >> Repair Instructions >> Steering Gear Replacement (LMM) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Special Tool - J 42640
    GM333146Courtesy of GENERAL MOTORS CORP.
    CAUTION: With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The steering wheel must be secured in position before disconnecting the following components:
    • The steering column
    • The intermediate shaft(s)
    • The steering gear

    After disconnecting these components, do not rotate the steering wheel or move the front tires and wheels. Failure to follow this procedure may cause the SIR coil assembly to become un-centered and cause possible damage to the SIR coil. If you think the SIR coil has became un-centered, refer to your specific SIR coil's centering procedure to re-center SIR Coil.
  1. With the front wheels of the vehicle in the straight ahead position, use the J-42640:  Pin in order to lock the steering column.
  2. Remove as much power steering fluid from the power steering fluid reservoir as possible.
  3. Place drain pans under the vehicle.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Remove the engine shield, if equipped. Refer to Engine Shield Replacement .
  6. Remove the left front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Left Side (Chevrolet) or Front Wheelhouse Liner Replacement - Left Side (GMC) .
  7. Remove the charge air cooler inlet pipe. Refer to Charge Air Cooler Inlet Pipe Replacement .
    8. CAUTION: Refer to Power Steering Hose Disconnected Caution .
  8. Disconnect the steering hoses from the steering gear.
  9. Disconnect the steering shaft coupling from the steering gear. Refer to Steering Shaft Coupling Replacement .
    10. Fig 2: View Of Pitman Arm Nut
    GM1864181Courtesy of GENERAL MOTORS CORP.
  10. Remove the pitman arm nut (1).

    Discard the pitman arm nut.

    11. Fig 3: View Of Pitman Arm & Relay Rod (Non Rack & Pinion)
    GM832396Courtesy of GENERAL MOTORS CORP.
  11. Use the J-24319-B:  Puller in order to disconnect the pitman arm from the relay rod.
    12. Fig 4: View Of Steering Gear Bolts
    GM1864179Courtesy of GENERAL MOTORS CORP.
  12. Remove the steering gear bolts (1).
  13. Remove the steering gear from the vehicle.
  14. Transfer the pitman arm if necessary. Refer to Pitman Arm Replacement .
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